6-(3-chlorophenoxy)pyridine-2-carboxylic acid CAS 137640-91-6
| CAS No. | 137640-91-6 |
| Molecular Formula | C12H8ClNO3 |
| Molecular Weight | 249.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-(3-chlorophenoxy)pyridine-2-carboxylic acid.
6-(3-chlorophenoxy)pyridine-2-carboxylic acid (CAS 137640-91-6) is a high-purity analytical reference standard with the molecular formula C12H8ClNO3 and a molecular weight of 249.65 g/mol.
Structurally, 6-(3-chlorophenoxy)pyridine-2-carboxylic acid (C12H8ClNO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 249.65 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-(3-chlorophenoxy)pyridine-2-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H8ClNO3 |
| Molecular Weight | 249.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related chlorophenoxy Standards
- 4-(2-Chlorophenoxy)picolinic acid (CAS 1094369-55-7)
- 1-(3-CHlorophenoxy)-2-nitrobenzene (CAS 92721-70-5)
- 1-(4-Chlorophenoxy)-2-nitrobenzene (CAS 39145-47-6)
- 2-(4-Chlorophenoxy)nicotinic acid (CAS 51362-37-9)
- 5-(3-chlorophenoxy)pyridine-2-carboxylic acid (CAS 72133-34-7)
- 5-(4-chlorophenoxy)pyridine-2-carboxylic acid (CAS 72133-24-5)
- 6-(2-chlorophenoxy)pyridine-3-carboxylic acid (CAS 954255-32-4)
- 6-(4-Chlorophenoxy)nicotinic acid (CAS 51362-39-1)
Recommended Standards
- 1-(3-chlorophenyl)-6-oxo-1,6-dihydropyridine-3-carboxylic acid (CAS 1284635-72-8)
- 5-(3-Chlorophenyl)-3-hydroxypicolinic acid (CAS 1415226-40-2)
- Methyl 4-chloro-2-(pyridin-3-yl)pyrimidine-5-carboxylate (CAS 1283958-08-6)
- 6-(4-Chloro-phenyl)-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid (CAS 147269-16-7)
- 3-Bromo-8-methylquinolin-2-amine (CAS 1447960-47-5)
- n-((3-Bromothiophen-2-yl)methyl)-2-fluoroaniline (CAS 1248610-49-2)
- (4-fluorotetrahydropyran-4-yl)methyl 4-methylbenzenesulfonate (CAS 1544739-64-1)
- Gallium trioxide (CAS 12024-21-4)
- 2-amino-n-(3-methoxypropyl)acetamide (CAS 938336-72-2)
- (4R,4′R)-2,2′-[(2Z,5Z)-2,5-Pyrrolidinediylidenedimethylidyne]bis[4,5-dihydro-4-phenyloxazole] (CAS 1687749-92-3)
- (2R,3S,5R)-5-(2,4-Dioxo-5-(trifluoromethyl)-3,4-dihydropyrimidin-1(2H)-yl)-2-(((4-methylbenzoyl)oxy)methyl)tetrahydrofuran-3-yl 4-methylbenzoate (CAS 7057-46-7)
- (S)-2-((S)-1-(2-(((Benzyloxy)carbonyl)amino)acetyl)pyrrolidine-2-carboxamido)-4-methylpentanoic acid (CAS 2646-63-1)
- (R)-tert-Butyl (1-cyano-3-methylbutan-2-yl)carbamate (CAS 172695-23-7)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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